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Area code 401

From Wikipedia, the free encyclopedia

Area code 401 is the sole telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Rhode Island. 401 is one of the original North American area codes, which were established in 1947.

Area code 401 is not projected to exhaust its supply of vacant central office codes until 2055.[1]

References

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  1. ^ "2024-1 NRUF and NPA Exhaust Analysis" (PDF). nationalnanpa.com. April 2024. Retrieved July 6, 2024.
Rhode Island area codes: 401
North: 508/774
West: 860/959 area code 401 East: 508/774
South: 631/934
Connecticut area codes: 203/475, 860/959
Massachusetts area codes: 413, 508/774, 617/857, 781/339, 978/351
New York area codes: 212/646/332, 315/680, 516/363, 518/838, 585, 607, 631/934, 716/624, 718/347/929, 845/329, 914, 917